Sandstone is a sedimentary rock consisting of sandy-sized cemented fragments.It is a formed mainly from ocean,beach and lake sedimentx and to a lesser extent froma sand dunes.It consists of small-grained minerals(quartz) cemented with siliceous,calcareous,clay,iron,gypsum,asphalt and other natural subsances.
Grit has a series of undeniable advantages:
Increased resistance to extreme temperatures,high frost resistance and low moisture absorption;
Good compaction for special equipment(e.g.construction rollers);
Good coupling with asphalt and cement morar;
Good flakiness indicators（presence of needles and lamelar parts）;
Extremely low radioactivity and high environmental friendliness;
Hence the need to improve urban and suburban facilities;
The cost is relatively low, which is known to affect the overall cost to the buyer.
Gravel grades M400 and M600
M400- Weak strength.
Used in road construction,lightweight concrete production,decorative purposes and landscaping.
M600- Medium strength.
Suitable for road construction,manufacture of reinforced concrete structures and heavy concrete,landscaping,roof insulaion,etc.
Derbis
5-20millimetres-the most demanding fine part.It is used for the production of concrete and its structures,foundatin engineering,pouring of bridge structures,bridge decks,roads and airport pavements and foundations.
20-40millimetres-medium score.It is used for the production of concrete,refinforced concrete structures, construction of highways and railways,tram lines,as well as for laying foundations and constructing industrial buildings.
40-70 millimetres in large proportion,used for producing concrete,large strctures,and handling large quantities of concrete.It is also used for the construction of roads,industrial buildings,and structures within settlements.
Crushed sandtone has a wide range of applications-from the manufacturing and paving of concrete to landscape design.Due to its physical and chemical properties,stone is a frost resistant and
Moisture resistant material that is almost unaffected by weathering and will not fade due to exposure to direct sunlight.
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Post time: Jun-21-2023